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  • Hometown Half Marathon

    Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United States

    Join us for the annual Hometown Half Marathon & 5k/10k! A run local-themed event that is perfect for the whole family. The fun includes great swag (designer shirt, custom medal), […]

  • Loveland Lake to Lake Triathlon

    Loveland High School 920 West 29th St., Loveland, CO, United States

    Loveland Lake to Lake Triathlon has welcomed athletes from Northern Colorado, this entire state, region, country,  and outside the USA for 24 years and we are excited about our 2025 […]

  • Red, White and Brew Run

    Raindance National Golf Course 1781 Raindance National Drive, Windsor, CO, United States

    Walk, run or ruck, a 5k, 10k, Half Marathon or 12 Hour Last Man Standing Race to celebrate the Red, White and Brew in Windsor, CO! Starting and ending at […]

  • Evergreen Trail Race Series

    Elk Meadow Trail Race

    Buchanan Park Recreation Center 32003 Ellingwood Trail, Evergreen, CO, United States

    This 5K race leads runners throughout the rolling hills of Elk Meadow Open Space Park. Runners will start on Pioneer trail and head clockwise around the meadow. The first stretch […]

  • Howelsen Hill Trail Run

    Olympian Hall 845 Howelsen Pkwy, Steamboat Springs, CO, United States

    Let the trail races begin!! This is a challenging trail run on the scenic single track trails of historic Howelsen Hill, Steamboat’s outdoor playground. The trails of Emerald are beautiful […]

  • Rayden’s Athletic Friends 5K

    Sergeant Blake A. Harris Skateboard Park 3430 Skateboard Lane, Pueblo, CO, United States

    Join us for a pet-friendly 5K Run/Walk where your four-legged friends are welcome! (All dogs must be leashed throughout the event.) Thanks to our generous sponsors who have helped offset […]

  • Tails on the Trail 5K

    Salida Steamplant Sacket and G Streets, Salida, CO, United States

    The Tails on the Trail 5K is a family and dog-friendly 5k race with proceeds benefiting the life-saving work of Ark-Valley Humane Society. Race this with or without your dog on May 22nd at Loyal Duke's Dog Park in Salida.

  • Vail Trail Running Series

    Beaver Creek Summer Solstice Trail Run

    Beaver Creek Chophouse 15 W Thomas Place, Beaver Creek, CO, United States

    Coinciding with the longest day of the year, the Summer Solstice 5K/10K trail run is arguably the most enjoyable race in the Vail Trail Running Series. Beginning and ending in […]

  • Heart Walk

    Sloan's Lake Park 1700 Utica Street, Denver, CO, United States

    We're all tied to heart disease and stroke in some way, and we must change that. Join your friends, family and co-workers to be a relentless force for a world […]

  • Estes Park Backyard Ultra

    Estes Park High School 1600 Manford Ave, Estes Park, CO, United States

    The Backyard Ultra with the views. ​ The Backyard Ultra is a form of Ultra race where runners must complete 4.167 miles in less than one hour, every hour, until only one […]

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